Question 1
Find the rational numbers between 1.673 and 1.673
Answers: A. 1.673673367333 B. 1.673 C. 1.674674674 D. 1.673467346734
Question 2
Find the irrational numbers between 1.673 and 1.673
Answer: A. 1.673467344673444 B. 1.673673367333 C. 1.673 D. 1.673467346734
Question 3
Find an irrational number between 5/11 and 6/11
Answers: A. 0.45 B. 0.464664666 C. 0.5455 D. 0.535353
Question 4
Use scientific notation to perform the following operations. Leave your answer in scientific notation form.
4X10^-4 / 8X10^2
Answer: A. 0.5X10^-3 B. 5X10^-3 C. 5X10^5 D. 5X10^-2
Question 5
The national debt of a small country is 7,420,000,000 and the population is 2,720,000. What is the amount of debt per person? Use scientific notation to solve the problem. Round to two decimal places.
Question 6
A computer can do one calculation in 1.4X10^-7 seconds. How long would it take the computer to do a trillion (10^12) calculations? Use scientific notation to solve the problem. Round to one decimal place
Question 7
A stack of poles has 32 poles in the bottom row, 31 poles in the next row, and so on with 6 poles in the top row. How many poles are there in the stack?